REDU format ruling
Iron Core Immediate Disposal

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Select and send 1 "Iron Core of Koa'ki Meiru" from your Deck to your Graveyard.
Rulings
- You cannot activate "Iron Core Immediate Disposal" unless there is an "Iron Core of Koa’ki Meiru" in your Deck.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.